• CAS:1612229-22-7

  5-[(9-Anthrylmethyl)amino]isophthalic Acid

• CAS:1261937-68-1

  2-​(3,​5-​Dicarboxyphenyl)​nicotinic acid

• CAS:1580459-52-4

• CAS:377081-94-2

• CAS:1352638-29-9

• CAS:1822671-24-8

  5-​methylthioisophthalate

• CAS:148065-79-6

  5-Mercaptoisophthalic acid

• CAS:1583-66-0

  5-Fluoroisophthalic acid